package com.atguigu.method;

public class MethodParamTest2 {
    public static void main(String[] args) {
        int[] arr = {1};
        change(arr);
        System.out.println("arr[0] = " + arr[0]);//100
    }


    public static void change(int[] arr){
        arr[0] = 100;
    }
}
